<html><body><div class="bottom"><icon src="AllIcons.Nodes.Package"/>&nbsp;<code><a href="psi_element://#module#OptionalAndUnionTypesContainingTypeVars">OptionalAndUnionTypesContainingTypeVars</a></code></div><div class="definition"><pre><span style="color:#000080;font-weight:bold;">def </span><span style="color:#000000;">f</span><span style="">(</span><span style="color:#000000;">x1</span><span style="">: </span><span style="color:#000000;">T<span style=""> | </span><span style="color:#000080;font-weight:bold;">None</span></span><span style="">,</span>
      <span style="color:#000000;">x2</span><span style="">: </span><span style="color:#000000;">T<span style=""> | </span><span style="color:#000080;">tuple</span><span style="">[</span>Any<span style="">, </span>Any<span style="">]</span></span><span style="">)</span> -&gt; <span style="color:#000000;"><span style="color:#000080;font-weight:bold;">None</span></span></pre></div></body></html>